June 4 (UPI) -- A study published last November in Science confirmed what many observers of digital politics have long suspected: feed algorithms do not merely reflect human hostility. They can amplify it. Researchers from the University of Washington, Stanford University and Northeastern University worked with 1,256 participants on X during the 2024 U.S. presidential campaign. They found that reducing users' exposure to posts expressing antidemocratic attitudes and partisan animosity improved